gh0strat | 3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851

General

Target

3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe
Size

375KB
MD5

9fe61722192294ea4829718380e69c15
SHA1

8e52d45daee59316f8880e87605cbac5a89185b3
SHA256

3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851
SHA512

d8d5dc588fa35f313818caaeb6ab044d41d3ed6e4f6d174b199f140ddcee17b05d61889a3df86427246080ccc17fe6687923d9a7ff1a257fba34c5ddca8de998
SSDEEP

6144:sv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:s4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1944-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1944-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1944-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2684-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2684-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4924-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2684-159-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4220-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5092-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Executes dropped EXE 4 IoCs

pid	Process
4924	SQLSerasi.exe
2684	SQLSerasi.exe
4220	SQLSerasi.exe
5092	SQLSerasi.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1944-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1944-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1944-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1944-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2684-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2684-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2684-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4924-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2684-159-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4220-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5092-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2040	2684	WerFault.exe	84

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	SQLSerasi.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1944	3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe
Token: SeDebugPrivilege	4924	SQLSerasi.exe
Token: SeDebugPrivilege	2684	SQLSerasi.exe
Token: SeDebugPrivilege	2684	SQLSerasi.exe
Token: SeDebugPrivilege	2684	SQLSerasi.exe
Token: SeDebugPrivilege	4220	SQLSerasi.exe
Token: SeDebugPrivilege	5092	SQLSerasi.exe
Token: SeDebugPrivilege	4220	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 4924	1944	3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe	83
PID 1944 wrote to memory of 4924	1944	3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe	83
PID 1944 wrote to memory of 4924	1944	3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe	83
PID 2684 wrote to memory of 4220	2684	SQLSerasi.exe	85
PID 2684 wrote to memory of 4220	2684	SQLSerasi.exe	85
PID 2684 wrote to memory of 4220	2684	SQLSerasi.exe	85
PID 2684 wrote to memory of 5092	2684	SQLSerasi.exe	87
PID 2684 wrote to memory of 5092	2684	SQLSerasi.exe	87
PID 2684 wrote to memory of 5092	2684	SQLSerasi.exe	87

C:\Users\Admin\AppData\Local\Temp\3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe
"C:\Users\Admin\AppData\Local\Temp\3e29d7d94eaa47acb8fdeb9606515e7ec87d1fb53cb84115a120b864163a6851.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4924

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
"C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:4220
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:5092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 572
  2⤵
  - Program crash
  PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2684 -ip 2684
1⤵
PID:4204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
2adc1b20fe474d905d437d46b44cb043

SHA1
9bd789a49959acfed64ac4baa87b26abf09111e3

SHA256
de18b7dc87699cc5fecf2b72e6bff00ad2a032880f84045df2afccd1f21ae24d

SHA512
3378cc6a3c858b13b2b4f5ca0c29ed772397fadc2d5a5b24b50939b99cce3fb60ea6f8afb2a7f3b6403c8fa8ffd7e3a6e8866f84eeb500e444f0bb74a16e8e50

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
2adc1b20fe474d905d437d46b44cb043

SHA1
9bd789a49959acfed64ac4baa87b26abf09111e3

SHA256
de18b7dc87699cc5fecf2b72e6bff00ad2a032880f84045df2afccd1f21ae24d

SHA512
3378cc6a3c858b13b2b4f5ca0c29ed772397fadc2d5a5b24b50939b99cce3fb60ea6f8afb2a7f3b6403c8fa8ffd7e3a6e8866f84eeb500e444f0bb74a16e8e50

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
2adc1b20fe474d905d437d46b44cb043

SHA1
9bd789a49959acfed64ac4baa87b26abf09111e3

SHA256
de18b7dc87699cc5fecf2b72e6bff00ad2a032880f84045df2afccd1f21ae24d

SHA512
3378cc6a3c858b13b2b4f5ca0c29ed772397fadc2d5a5b24b50939b99cce3fb60ea6f8afb2a7f3b6403c8fa8ffd7e3a6e8866f84eeb500e444f0bb74a16e8e50

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
2adc1b20fe474d905d437d46b44cb043

SHA1
9bd789a49959acfed64ac4baa87b26abf09111e3

SHA256
de18b7dc87699cc5fecf2b72e6bff00ad2a032880f84045df2afccd1f21ae24d

SHA512
3378cc6a3c858b13b2b4f5ca0c29ed772397fadc2d5a5b24b50939b99cce3fb60ea6f8afb2a7f3b6403c8fa8ffd7e3a6e8866f84eeb500e444f0bb74a16e8e50

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
2adc1b20fe474d905d437d46b44cb043

SHA1
9bd789a49959acfed64ac4baa87b26abf09111e3

SHA256
de18b7dc87699cc5fecf2b72e6bff00ad2a032880f84045df2afccd1f21ae24d

SHA512
3378cc6a3c858b13b2b4f5ca0c29ed772397fadc2d5a5b24b50939b99cce3fb60ea6f8afb2a7f3b6403c8fa8ffd7e3a6e8866f84eeb500e444f0bb74a16e8e50

Download Submit
memory/1944-143-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1944-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1944-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1944-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1944-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1944-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2684-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2684-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2684-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2684-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2684-159-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4220-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4220-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4220-160-0x0000000000000000-mapping.dmp

Download
memory/4924-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4924-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4924-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4924-145-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4924-139-0x0000000000000000-mapping.dmp

Download
memory/5092-162-0x0000000000000000-mapping.dmp

Download
memory/5092-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5092-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5092-178-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads